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authorTakashi Iwai <tiwai@suse.de>2011-04-04 14:21:55 +0400
committerTakashi Iwai <tiwai@suse.de>2011-04-04 14:21:55 +0400
commit17fbb5bdfc93bc205e5f5d1e2b5b92fdfd694c68 (patch)
treeee94446f78eecea07b90116b7b5feb0635a0adea /sound/core
parentcdccfc8dc0bf62a1da327324a8d639139acc9279 (diff)
parent12ff414e2e4512f59fe191dc18e856e2939a1c79 (diff)
downloadlinux-17fbb5bdfc93bc205e5f5d1e2b5b92fdfd694c68.tar.xz
Merge branch 'fix/misc' into topic/misc
Diffstat (limited to 'sound/core')
-rw-r--r--sound/core/pcm_lib.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index a82e3756a72d..64449cb8f873 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -375,6 +375,7 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream,
}
if (runtime->no_period_wakeup) {
+ snd_pcm_sframes_t xrun_threshold;
/*
* Without regular period interrupts, we have to check
* the elapsed time to detect xruns.
@@ -383,7 +384,8 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream,
if (jdelta < runtime->hw_ptr_buffer_jiffies / 2)
goto no_delta_check;
hdelta = jdelta - delta * HZ / runtime->rate;
- while (hdelta > runtime->hw_ptr_buffer_jiffies / 2 + 1) {
+ xrun_threshold = runtime->hw_ptr_buffer_jiffies / 2 + 1;
+ while (hdelta > xrun_threshold) {
delta += runtime->buffer_size;
hw_base += runtime->buffer_size;
if (hw_base >= runtime->boundary)